
print('string','--------------------------------')
for i in pairs(string) do
	print(i,string[i])
end

print("--------------------------------------------------------------------")
local str=" Php is Best"
print(string.len(str),#str,string.upper(str),string.lower(str))--12      12       PHP IS BEST     php is best
print(string.sub(str,-4)) --Best

--[[
string  --------------------------------
packsize        function: 6299eb50
format  function: 6299faf0
len     function: 6299d870
lower   function: 6299e170
match   function: 629a0ba0
sub     function: 6299de20
char    function: 6299e620
unpack  function: 6299ec80
gsub    function: 629a0bc0
rep     function: 6299dfa0
pack    function: 6299efd0
reverse function: 6299dd90
byte    function: 6299da20
upper   function: 6299dd00
gmatch  function: 6299e570
dump    function: 6299f7f0
find    function: 629a0bb0
--------------------------------------------------------------------
12      12       PHP IS BEST     php is best
Best

]]


